Exploring the Compound Light Microscope: Key Parts and Usage

What should you do first when you transport your microscope back to your station?

• Adjust the focus knobs

• Turn on the light

• Remove the dust cover

• Plug it into an outlet

How should you hold the microscope when transporting it?

• By the light source

• By the stage

• By the objective lenses

• By the neck and the base

What is the purpose of adjusting the light on a microscope?

• To manipulate contrast and visibility

• To increase the size of the specimen

• To adjust the temperature

• To change the color of the specimen

Where is the iris diaphragm located on a compound light microscope?

• In the base

• Above the stage

• Directly beneath the stage

• On the ocular lens

What feature allows you to center your specimen easily on a mechanical stage?

• The coaxial adjustment knobs

• The on/off switch

• The iris diaphragm

• The light source

Which part of the focus knob is used for fine-tuning the image?

• The outer portion

• The base

• The stage

• The inner portion

What is the total magnification when using the low-power lens?

• 100 times

• 40 times

• 400 times

• 1000 times

Why is the high dry power lens covered in the lab?

• To protect it from dust

• To keep it clean

• To avoid accidental use

• To prevent damage from oil immersion

What should you never do when using the high dry or oil immersion lenses?

• Adjust the fine focus

• Turn on the light

• Move the stage

• Adjust the coarse focus

How should you store the microscope when you are done using it?

• With the light on

• With the stage raised

• With the scanning power lens pointing down

• With the high dry lens pointing down